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CA2297523A1 - Trappe securitaire - Google Patents

Trappe securitaire Download PDF

Info

Publication number
CA2297523A1
CA2297523A1 CA002297523A CA2297523A CA2297523A1 CA 2297523 A1 CA2297523 A1 CA 2297523A1 CA 002297523 A CA002297523 A CA 002297523A CA 2297523 A CA2297523 A CA 2297523A CA 2297523 A1 CA2297523 A1 CA 2297523A1
Authority
CA
Canada
Prior art keywords
grate
proximal end
frame
opening
near side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002297523A
Other languages
English (en)
Other versions
CA2297523C (fr
Inventor
Timothy J. Mckernan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EAST JORDAN IRON WORKS Inc D/B/A EJ USA Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2297523A1 publication Critical patent/CA2297523A1/fr
Application granted granted Critical
Publication of CA2297523C publication Critical patent/CA2297523C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/127—Manhole shafts; Other inspection or access chambers; Accessories therefor with devices for impeding fall or injuries of persons
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Closures For Containers (AREA)
CA002297523A 1999-01-21 2000-01-20 Trappe securitaire Expired - Lifetime CA2297523C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/235,107 1999-01-21
US09/235,107 US6640495B1 (en) 1999-01-21 1999-01-21 Safety hatch for preventing fall-through and unauthorized entry

Publications (2)

Publication Number Publication Date
CA2297523A1 true CA2297523A1 (fr) 2000-07-21
CA2297523C CA2297523C (fr) 2002-12-10

Family

ID=22884133

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002297523A Expired - Lifetime CA2297523C (fr) 1999-01-21 2000-01-20 Trappe securitaire

Country Status (2)

Country Link
US (2) US6640495B1 (fr)
CA (1) CA2297523C (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
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US7216459B1 (en) * 2003-07-02 2007-05-15 Neenah Foundry Company Access hatch cover assembly with lift-assist assembly and method therefor
FR2895425B1 (fr) * 2005-12-22 2010-03-12 Norinco Equipement de voirie coupe-feu.
JP5601679B2 (ja) * 2006-12-15 2014-10-08 シー．アンド ヴイ．エンジニアリング カンパニー ピーティーワイ．リミテッド 改良された落下防止バリア
FR2937061B1 (fr) * 2008-10-10 2010-09-24 La Rouere Richard De Barriere articulee escamotable dans l'ouvrage destinee a la mise en securite des acces aux locaux souterrains apres ouverture des tampons de fermeture
US8166706B2 (en) * 2009-06-08 2012-05-01 U.S.F. Fabrication, Inc. Multipositional vault door
US8517144B2 (en) * 2009-06-30 2013-08-27 Joseph Cuccurullo Hatchway safety grab post safety barrier and grate
FR2957367B1 (fr) * 2010-03-15 2012-03-02 Norinco Dispositif de voirie, notamment regard de visite, a cadre et tampon a mouvement de recul relativement au cadre pour assurer la position de fermeture du tampon dans le cadre
US8651293B2 (en) * 2010-04-22 2014-02-18 Gear Grid, LLC Single and double door storage rack
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FR2972735B1 (fr) * 2011-03-17 2013-11-08 Norinco Grille de securite antichute reversible pouvant etre montee articulee a l'un ou l'autre des deux cotes opposes d'un cadre de support
US8844202B2 (en) * 2011-07-01 2014-09-30 U.S.F. Fabrication, Inc. Latching mechanism for access door
CN103741611B (zh) * 2014-01-23 2016-02-10 石家庄经济学院 一种用于警示井盖错位的装置
US9303441B2 (en) * 2014-01-31 2016-04-05 U.S.F. Fabrication, Inc. Access door with lift assist
AU2014101337B4 (en) * 2014-11-08 2015-09-10 Smic Australasia Pty Ltd Smic
NZ744504A (en) * 2015-12-22 2023-01-27 Parkwood Invest Pty Ltd Access hatch
CA3079446C (fr) 2016-05-27 2022-09-27 EJ USA, Inc. Jupe pour former une trappe d'acces dans du beton
GB201615067D0 (en) * 2016-09-06 2016-10-19 Rea Site Services Ltd Safety apparatus
US10415261B2 (en) 2016-11-01 2019-09-17 Darrell Allen Outrigger support
US10053878B2 (en) 2016-11-01 2018-08-21 Darrell Allen Fall protection anchor
US10132053B1 (en) 2017-07-18 2018-11-20 The Aes Corporation Manhole cover
GB201713731D0 (en) * 2017-08-25 2017-10-11 Aqua Fabrications Ltd Lid assembly
USD878634S1 (en) * 2018-05-12 2020-03-17 Steven Collins Manhole safety cross
US10550539B1 (en) * 2018-07-18 2020-02-04 Madruga Iron Works, Inc. Safety railing for utility hatch
US11466461B1 (en) 2019-04-27 2022-10-11 Luis Jones Actuatable assemblies
US11118363B1 (en) 2020-03-13 2021-09-14 Darrell Allen Saddle tie-back fall protection anchor
CN113320713B (zh) * 2021-04-29 2023-03-24 中国电子科技集团公司第二十九研究所 一种吊舱大口面快卸维护口盖装置
US20230304250A1 (en) * 2022-03-28 2023-09-28 Ohio Gratings, Inc. Folding barrier assembly and method of use
KR102664006B1 (ko) * 2022-09-26 2024-05-09 유림해일 주식회사 맨홀용 추락방지 안전망
KR102727243B1 (ko) * 2024-04-29 2024-11-07 (주)명보피앤씨 다목적 안전 개폐장치
KR102790334B1 (ko) * 2024-12-26 2025-04-07 (주)로터스지이오 우수관로용 맨홀시스템
KR102881185B1 (ko) * 2025-07-25 2025-11-05 (주)한국알앤디 지하 환기구의 안전장치 및 이의 시공방법

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US14359A (en) 1856-03-04 Guabd for coal-holes
US14107A (en) 1856-01-15 Safety coal-hole cover
US471947A (en) * 1892-03-29 Half to jacob b
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US195965A (en) 1877-10-09 Improvement in vault-cover and railing
US124242A (en) 1872-03-05 Improvement in devices for lowering, raising, and fastening sashes
US202373A (en) 1878-04-16 Improvement in man-hole plates for sewer-openings
US705679A (en) 1901-10-08 1902-07-29 Paul S Knapp Vault-cover.
US727860A (en) * 1902-08-16 1903-05-12 George B Swope House-ventilator.
US736714A (en) 1903-02-27 1903-08-18 Henry T Gendron Door opener and holder.
US1066736A (en) * 1905-02-15 1913-07-08 August W Kurz Vault-head.
US916803A (en) * 1908-06-11 1909-03-30 James M Triggs Window-protector.
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US1523191A (en) 1923-06-04 1925-01-13 Michael H Gilfoy Door-opening guard
US1601647A (en) * 1924-02-19 1926-09-28 Henry A Rose Garage-door fastener
US1554366A (en) * 1924-08-26 1925-09-22 John E Raber Window guard
US1799123A (en) * 1930-02-13 1931-03-31 Robertson John Will Ventilator
US1941589A (en) * 1933-05-03 1934-01-02 Charles M Wellons Fastening for gratings
US2038876A (en) * 1933-11-25 1936-04-28 Sonabend Abraham Lock
DK51649C (da) * 1935-03-15 1936-05-18 Richardt Ramhoej Snaplaas.
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US2295827A (en) * 1941-04-21 1942-09-15 Union Asbestos & Rubber Co Hatch cover lifter
US2627950A (en) * 1947-01-24 1953-02-10 Miner Inc W H Door fastener
US2610084A (en) * 1951-09-19 1952-09-09 Frank A Anderson Vehicle door closing device
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US3198094A (en) 1963-08-20 1965-08-03 Paul A Dunkerley Safety manhole frame and cover
US3521537A (en) 1968-03-19 1970-07-21 George P Forni Cover arrangement for large receptacles
US3788689A (en) * 1972-10-24 1974-01-29 R Lloyd Door locking means
DE2734294A1 (de) * 1977-07-29 1979-02-08 Basf Ag Schichtstoffe
FR2424372A1 (fr) * 1978-04-24 1979-11-23 Dumortier Robert Dispositif de verrouillage pour regards ou grilles de chaussee ou autre
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FR2519665A1 (fr) * 1982-01-14 1983-07-18 Dumortier Robert Regard circulaire de chaussee a demi-tampons articules
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SE442938B (sv) * 1984-06-18 1986-02-03 Ellemtel Utvecklings Ab Tetningsanordning vid ett metallskap, som anvends som skerm mot elektromagnetiska felt
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DE3843680C2 (de) * 1988-12-23 1996-05-15 Bayerwald Fensterfabrik Altenb Verdeckt angeordneter Beschlag für Schwenklager von Türen, Fenstern oder dergleichen
FR2652598B1 (fr) * 1989-09-29 1991-12-13 Pont A Mousson Regard de chaussee a charniere verrouille.
US4993187A (en) * 1989-10-13 1991-02-19 Exeter Architectural Products, Inc. Releasable window guard assembly
DE3941708C2 (de) * 1989-12-18 1998-04-09 Eckart Roth Revisionsvorrichtung für Gebäudedecken, -wände und -böden
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US5016393A (en) * 1990-04-30 1991-05-21 The Eastern Company Door construction
US5050944A (en) * 1990-12-19 1991-09-24 Haworth, Inc. Over or under flipper door mounting
EP0512210B1 (fr) 1991-05-02 1995-10-11 Inventio Ag Dispositif de protection pendant le montage de portes d'ascenseurs
US5265974A (en) 1991-05-15 1993-11-30 Dargie Roger A Safety net assembly net and system
US5433131A (en) * 1992-10-27 1995-07-18 Kabushiki Kaisha Kawai Gakki Seisakusho Keyboard cover apparatus for electronic keyboard instrument
US5398998A (en) * 1994-02-04 1995-03-21 Aeroquip Corporation Pressure actuated fracture device
US5709155A (en) * 1995-01-12 1998-01-20 Mul Acquisition Corp. Ii Folding tray table for chairs
US5562316A (en) * 1995-02-03 1996-10-08 A. L. Hansen Mfg. Co. Bar lock
US5873355A (en) * 1995-09-01 1999-02-23 Weber-Stephen Products Co. Grill with improved portability and storage configuration
US5941024A (en) * 1998-03-20 1999-08-24 Journault-Jourplex Inc. Floor hatch with integrated security fence

Also Published As

Publication number Publication date
US6718692B2 (en) 2004-04-13
US20030037489A1 (en) 2003-02-27
US6640495B1 (en) 2003-11-04
CA2297523C (fr) 2002-12-10

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20200120